La invención de Morel (Latin American Spanish: [lajmbenˈsjon de moˈɾel]; 1940) — translated as The Invention of Morel or Morel's Invention — is a novel by Argentine writer Adolfo Bioy Casares. It was Bioy Casares' breakthrough effort, for which he won the 1941 First Municipal Prize for Literature of the City of Buenos Aires. He considered it the true beginning of his literary career, despite being his seventh book. The first edition cover artist was Norah Borges, sister of Bioy Casares' lifelong friend, Jorge Luis Borges. Source: Wikipedia (en)